Premises and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 26,189	$ 24,651
Less accumulated depreciation	(15,804)	(14,847)
Net premises and equipment	10,385	9,804
Land, Buildings and Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	13,873	12,710
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	264	264
Furniture and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,075	9,724
Computer software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,977	$ 1,953

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details

Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details

- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References+ Details